SpaceX is running into some big problems, and they’re causing some major headaches for company founder Elon Musk. For the second day in a row, the computers automatically aborted the launch of the Falcon 9 rocket at NASA’s Kennedy Space Center in Florida, dashing plans to have three rocket launches in the last 10 days and catch up some of the time that was lost after an accident last year.

Computers aborted the liftoff just seconds before the rockets were to begin to fire, lifting the Intelsat 35e communications satellite into orbit. SpaceX says they will be spending Tuesday examining the data and hope to try to launch again on Thursday or Friday.

SpaceX interrupted its launch count on Twitter with a disappointing announcement.

“Standing down today due to a violation of abort criteria, vehicle/payload in good health, next launch opportunity tomorrow, July 4th!”

Musk responded with a little more information.

“We’re going to spend the 4th doing a full review of rocket & pad systems,” Musk wrote on his Twitter feed. “Launch no earlier than 5th/6th. Only one chance to get it right.”